No, grumbling does not rhyme with brain, perhaps you are trying to ask if complain rhymes with brain, and yes, it does.
Tagalog translation of GRUMBLING: galit na pabulung-bulong
In your sentence, the word 'grumbling' is the main verb('was' is the auxiliary verb).
No, grumbling is not an onomatopoeia. Onomatopoeia is a word that imitates the sound it represents (e.g. buzz, pop, hiss), while grumbling is a verb that describes the low, muttering sound made by someone who is discontented.
rhymes with nothing
The word 'grumble' is both a verb and a noun.The noun 'grumble' is a word for a mutter in discontent; a word for a rumbling sound; a word for a thing.Examples:My brother will grumble if I change the radio station. (verb)The grumble of my stomach tells me that lunch is past due. (noun)The noun forms of the verb to grumble are grumbler and the gerund, grumbling.
My tummy was grumbling.
Tagalog translation of GRUMBLING: galit na pabulung-bulong
no :(
The car's transmission was grumbling louder than my hungry stomach this morning. The grumbling of the crew has not gone unnoticed.
dane
use your brain
What's the Use of Grumbling was created in 1918.
Brain Eyes are connected to the the brain.
Cocaine?
remain, brain, etc.
vein
brain